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Starting and Stopping Control Section 3-10
3-10 Starting and Stopping Control
3-10-1 Starting Control (RUN)/Stopping Control (STOP)
Set the RUN/STOP operation command to RUN to start E5ZN control. To stop
control, set the RUN/STOP operation command to STOP.
There are three ways to set the RUN/STOP operation command.
1,2,3... 1. Using host communications.
2. Using the E5ZN-SDL Setting Display Unit.
3. Using an external contact for an event input.
Operation after Turning
ON the Power Supply
• Set the operation status after the power supply for the E5ZN has been
turned ON. Choose one of the following two statuses.
• The following table gives additional information for each of the operation
settings.
• Default is stop.
• This parameter setting is used by both channels.
Set value Operation
Stop Control will always stop when the power supply is turned ON.
Continue Returns control to the status for the last time the power supply
was turned OFF.
Operation after
power turned ON
Additional information
Stop When the power is turned ON, the RUN/STOP setting will
always be set to STOP and the E5ZN will start when the com-
mand is changed to RUN.
Continue 1. If the E5ZN was in manual mode the last time the power was
turned OFF, it will be in manual mode when the power is
turned ON and the manual manipulated variable will be 0%.
2. When the setting for operation after the power is turned ON
is changed from “stop” to “continue,” the “RUN/STOP” oper-
ation command will be set to “STOP.” This setting change
will always be saved to internal non-volatile memory even if
the E5ZN is in RAM write mode.
3. When the E5ZN is used in RAM write mode, change the
“RUN/STOP” operation command from the host communi-
cations and then be sure to execute the RAM DATA SAVE
operation command. If the power is turned OFF before the
RAM DATA SAVE operation command is executed, the op-
eration status will not be continued.
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